CA2620896A1 - Estimation de voie de communication - Google Patents

Estimation de voie de communication Download PDF

Info

Publication number: CA2620896A1
Authority: CA; Canada
Prior art keywords: signal; accordance; channel; frequency domain; parameters
Prior art date: 2005-09-02
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Abandoned

Application number

CA002620896A

Other languages

English (en)

Inventor

Peter Gaal

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Qualcomm Inc

Original Assignee

Individual

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2005-09-02

Filing date

2006-08-31

Publication date

2007-03-08

2006-08-31 Application filed by Individual filed Critical Individual

2006-08-31 Priority to CA2751771A priority Critical patent/CA2751771A1/fr

2007-03-08 Publication of CA2620896A1 publication Critical patent/CA2620896A1/fr

Status Abandoned legal-status Critical Current

Links

238000004891 communication Methods 0.000 title claims abstract description 18
238000000034 method Methods 0.000 claims description 52
230000009467 reduction Effects 0.000 claims description 30
230000002441 reversible effect Effects 0.000 claims description 25
230000005540 biological transmission Effects 0.000 claims description 21
230000001934 delay Effects 0.000 claims description 19
238000012545 processing Methods 0.000 claims description 8
230000001131 transforming effect Effects 0.000 claims 2
108010076504 Protein Sorting Signals Proteins 0.000 claims 1
230000006870 function Effects 0.000 description 29
238000010586 diagram Methods 0.000 description 6
230000008569 process Effects 0.000 description 6
230000003247 decreasing effect Effects 0.000 description 5
230000002238 attenuated effect Effects 0.000 description 4
238000001228 spectrum Methods 0.000 description 4
230000000694 effects Effects 0.000 description 3
238000001914 filtration Methods 0.000 description 3
230000004044 response Effects 0.000 description 3
238000004364 calculation method Methods 0.000 description 2
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238000010606 normalization Methods 0.000 description 2
230000036961 partial effect Effects 0.000 description 2
239000002245 particle Substances 0.000 description 2
230000002829 reductive effect Effects 0.000 description 2
XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 1
230000001413 cellular effect Effects 0.000 description 1
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238000013461 design Methods 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
238000005562 fading Methods 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
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230000003595 spectral effect Effects 0.000 description 1
230000009466 transformation Effects 0.000 description 1
238000000844 transformation Methods 0.000 description 1

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7105—Joint detection techniques, e.g. linear detectors
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0212—Channel estimation of impulse response
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/022—Channel estimation of frequency response
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03592—Adaptation methods
- H04L2025/03745—Timing of adaptation
- H04L2025/03764—Timing of adaptation only during predefined intervals
- H04L2025/0377—Timing of adaptation only during predefined intervals during the reception of training signals

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Power Engineering (AREA)
Noise Elimination (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Monitoring And Testing Of Transmission In General (AREA)
Measurement Of Resistance Or Impedance (AREA)

CA002620896A 2005-09-02 2006-08-31 Estimation de voie de communication Abandoned CA2620896A1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA2751771A CA2751771A1 (fr)	2005-09-02	2006-08-31	Estimation de voie de communication

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
US71399505P	2005-09-02	2005-09-02
US60/713,995		2005-09-02
US11/386,530		2006-03-21
US11/386,530 US8619884B2 (en)	2005-09-02	2006-03-21	Communication channel estimation
PCT/US2006/034369 WO2007028100A2 (fr)	2005-09-02	2006-08-31	Estimation de voie de communication

Related Child Applications (1)

Application Number	Title	Priority Date	Filing Date
CA2751771A Division CA2751771A1 (fr)	2005-09-02	2006-08-31	Estimation de voie de communication

Publications (1)

Publication Number	Publication Date
CA2620896A1 true CA2620896A1 (fr)	2007-03-08

Family

ID=37685891

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
CA002620896A Abandoned CA2620896A1 (fr)	2005-09-02	2006-08-31	Estimation de voie de communication
CA2751771A Abandoned CA2751771A1 (fr)	2005-09-02	2006-08-31	Estimation de voie de communication

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
CA2751771A Abandoned CA2751771A1 (fr)	2005-09-02	2006-08-31	Estimation de voie de communication

Country Status (12)

Country	Link
US (1)	US8619884B2 (fr)
EP (2)	EP2296328B1 (fr)
JP (2)	JP5265364B2 (fr)
KR (1)	KR101009301B1 (fr)
CN (2)	CN101283558B (fr)
AT (1)	ATE501575T1 (fr)
BR (1)	BRPI0615251A2 (fr)
CA (2)	CA2620896A1 (fr)
DE (1)	DE602006020600D1 (fr)
RU (1)	RU2414083C2 (fr)
TW (1)	TWI336579B (fr)
WO (1)	WO2007028100A2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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US7920661B2 (en) *	2006-03-21	2011-04-05	Qualcomm Incorporated	Decision feedback equalizer for code division multiplexed signals
CN101809909A (zh) *	2007-09-28	2010-08-18	京瓷株式会社	无线通信装置以及接收质量估计方法
EP2214362B1 (fr) *	2009-02-02	2012-08-01	Sony Corporation	Appareil récepteur doté d'un égalisateur de domaine de fréquence
CN103686830A (zh) *	2012-09-26	2014-03-26	电信科学技术研究院	一种测试终端移动速度的方法及设备
US9660674B2 (en)	2015-07-16	2017-05-23	LGS Innovations LLC	Self-interference cancellation antenna systems and methods
CN107370704A (zh) *	2016-05-13	2017-11-21	财团法人工业技术研究院	无线通信设备及无线信号产生方法
WO2021093073A1 (fr) *	2019-12-13	2021-05-20	Zte Corporation	Schéma de modulation basé sur une insertion non nulle et permettant un faible rapport de puissance de crête sur puissance moyenne
CN115102811B (zh) *	2022-08-26	2022-10-28	合肥睿普康集成电路有限公司	一种适用于lte系统的自适应的信道估计去噪方法

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FR2732178A1 (fr)	1995-03-22	1996-09-27	Philips Electronique Lab	Systeme de transmission numerique muni d'un recepteur a egaliseurs cascades
DE19747369A1 (de)	1997-10-27	1999-05-06	Siemens Ag	Übertragungskanalschätzung in Telekommunikationssystemen mit drahtloser Telekommunikation
US7491806B2 (en)	1997-11-24	2009-02-17	Monsanto Technology, Llc	Nucleic acid molecules and other molecules associated with transcription in plants
US6452917B1 (en)	1999-04-08	2002-09-17	Qualcomm Incorporated	Channel estimation in a CDMA wireless communication system
US6985432B1 (en)	2000-01-28	2006-01-10	Zion Hadad	OFDM communication channel
US7218666B2 (en)	2000-12-29	2007-05-15	Motorola, Inc.	Method and system for transmission and frequency domain equalization for wideband CDMA system
US7617099B2 (en)	2001-02-12	2009-11-10	FortMedia Inc.	Noise suppression by two-channel tandem spectrum modification for speech signal in an automobile
DE10111496A1 (de)	2001-03-09	2002-09-19	Siemens Ag	Verfahren zum Entzerren von Signalen und Vorrichtung zur Durchführung des Verfahrens
US7953193B2 (en) *	2002-03-28	2011-05-31	Broadcom Corporation	Sparse channel equalization
AU2003903826A0 (en)	2003-07-24	2003-08-07	University Of South Australia	An ofdm receiver structure
FR2840133B1 (fr)	2002-05-24	2005-10-14	Dibcom	Procede et dispositif d'estimation amelioree de la fonction de transfert d'un canal de transmission variable
US7212569B1 (en) *	2002-06-28	2007-05-01	At&T Corp.	Frequency domain decision feedback equalizer
US7346013B2 (en)	2002-07-18	2008-03-18	Coherent Logix, Incorporated	Frequency domain equalization of communication signals
US6987797B2 (en)	2002-07-26	2006-01-17	Qualcomm Incorporated	Non-parametric matched filter receiver for wireless communication systems
ATE377878T1 (de)	2002-09-05	2007-11-15	Mitsubishi Electric Inf Tech	Verfahren zur mc-cdma abwärtsrichtstrahlbildung, wobei die gewichtungen der antennenelemente benutzer- und frequenzindividuell sind und zur maximierung des signals zur interferenz und rauschverhältnisses angepasst werden
US7301993B2 (en)	2002-09-13	2007-11-27	Broadcom Corporation	Channel estimation in a spread spectrum receiver
US7039004B2 (en)	2002-10-01	2006-05-02	Atheros Communications, Inc.	Decision feedback channel estimation and pilot tracking for OFDM systems
JP4464651B2 (ja) *	2002-10-11	2010-05-19	パナソニック株式会社	回り込みキャンセラ、中継システム及び回り込みキャンセル方法
DE10251479A1 (de)	2002-11-05	2004-05-19	Siemens Ag	Verfahren zur Schätzung einer Kanalqualität
JP4523294B2 (ja)	2003-02-10	2010-08-11	三菱電機株式会社	通信装置
JP3816450B2 (ja)	2003-02-18	2006-08-30	Ｋｄｄｉ株式会社	送信機及び受信機
US20040203812A1 (en)	2003-02-18	2004-10-14	Malladi Durga Prasad	Communication receiver with an adaptive equalizer that uses channel estimation
WO2004112303A2 (fr) *	2003-03-10	2004-12-23	Macphy Modems, Inc.	Procede et appareil pour egalisation a rafale unique de signaux de porteuse unique dans des systemes d'acces sans fil a large bande
US7406125B2 (en)	2003-04-09	2008-07-29	Jabil Circuit, Inc.	Method for initialization of per tone frequency domain equalizer (FEQ) through noise reduction for multi-tone based modems
US7792184B2 (en)	2003-04-24	2010-09-07	Qualcomm Incorporated	Apparatus and method for determining coefficient of an equalizer
JP2005045628A (ja) *	2003-07-24	2005-02-17	Fujitsu Ltd	Ｏｆｄｍ通信方式の受信装置
JP4204917B2 (ja) *	2003-07-31	2009-01-07	Ｋｄｄｉ株式会社	伝送路特性推定装置、コンピュータプログラム
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JP4555652B2 (ja)	2003-10-01	2010-10-06	パナソニック株式会社	Ｏｆｄｍ信号受信装置及びｏｆｄｍ信号受信方法
US7417945B2 (en) *	2003-10-02	2008-08-26	Texas Instruments Incorporated	Transmitter and receiver for use with an orthogonal frequency division multiplexing system
EP1712054A1 (fr)	2004-01-28	2006-10-18	Qualcomm, Incorporated	Estimation de synchronisation dans un recepteur ofdm
US7821913B2 (en)	2005-03-29	2010-10-26	Qualcomm Incorporated	Method and apparatus for data and pilot structures supporting equalization
US7920661B2 (en)	2006-03-21	2011-04-05	Qualcomm Incorporated	Decision feedback equalizer for code division multiplexed signals

2006
- 2006-03-21 US US11/386,530 patent/US8619884B2/en not_active Expired - Fee Related
- 2006-08-31 JP JP2008529346A patent/JP5265364B2/ja not_active Expired - Fee Related
- 2006-08-31 BR BRPI0615251-1A patent/BRPI0615251A2/pt not_active IP Right Cessation
- 2006-08-31 DE DE602006020600T patent/DE602006020600D1/de active Active
- 2006-08-31 EP EP10180192.6A patent/EP2296328B1/fr not_active Not-in-force
- 2006-08-31 KR KR1020087008043A patent/KR101009301B1/ko not_active Expired - Fee Related
- 2006-08-31 EP EP06824883A patent/EP1932306B1/fr not_active Not-in-force
- 2006-08-31 RU RU2008112669/09A patent/RU2414083C2/ru not_active IP Right Cessation
- 2006-08-31 CA CA002620896A patent/CA2620896A1/fr not_active Abandoned
- 2006-08-31 AT AT06824883T patent/ATE501575T1/de not_active IP Right Cessation
- 2006-08-31 CA CA2751771A patent/CA2751771A1/fr not_active Abandoned
- 2006-08-31 CN CN2006800372775A patent/CN101283558B/zh not_active Expired - Fee Related
- 2006-08-31 CN CN2011103307925A patent/CN102333053A/zh active Pending
- 2006-08-31 WO PCT/US2006/034369 patent/WO2007028100A2/fr not_active Ceased
- 2006-09-01 TW TW095132370A patent/TWI336579B/zh not_active IP Right Cessation
2013
- 2013-01-25 JP JP2013011953A patent/JP2013153440A/ja active Pending

Also Published As

Publication number	Publication date
CN102333053A (zh)	2012-01-25
EP1932306B1 (fr)	2011-03-09
TWI336579B (en)	2011-01-21
JP2009507434A (ja)	2009-02-19
KR101009301B1 (ko)	2011-01-18
WO2007028100A3 (fr)	2007-07-19
KR20080053339A (ko)	2008-06-12
CN101283558A (zh)	2008-10-08
EP2296328A1 (fr)	2011-03-16
US20070053526A1 (en)	2007-03-08
TW200718108A (en)	2007-05-01
EP2296328B1 (fr)	2013-05-01
WO2007028100A2 (fr)	2007-03-08
CA2751771A1 (fr)	2007-03-08
CN101283558B (zh)	2012-07-04
EP1932306A2 (fr)	2008-06-18
DE602006020600D1 (de)	2011-04-21
JP5265364B2 (ja)	2013-08-14
US8619884B2 (en)	2013-12-31
BRPI0615251A2 (pt)	2011-05-10
JP2013153440A (ja)	2013-08-08
RU2414083C2 (ru)	2011-03-10
ATE501575T1 (de)	2011-03-15
RU2008112669A (ru)	2009-10-10

Legal Events

Date	Code	Title	Description
2008-02-29	EEER	Examination request
2015-05-05	FZDE	Discontinued	Effective date: 20150310

Publication	Publication Date	Title
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JP4582354B2 (ja)	2010-11-17	等化装置及び等化方法
US7668076B2 (en)	2010-02-23	Multi-user receiving apparatus converting SC-FDMA received signals of all users to signals in a frequency domain commonly
EP2176958B1 (fr)	2018-10-31	Unité de communication et procédé de limitation d'interférence
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CN101512377B (zh)	2013-09-25	用于在无线通信系统中检测上行链路测距码的装置
HK1125241A (en)	2009-07-31	Communication channel estimation
ES2359878T3 (es)	2011-05-27	Estimación de canales de comunicación.
KR20040106848A (ko)	2004-12-18	디지털 방송신호 수신 시스템의 주파수 옵셋 추정장치 및그의 주파수 옵셋 추정방법
Al-kamali et al.	2007	Efficient implementation of downlink CDMA equalization using frequency domain approximation
JP2009267512A (ja)	2009-11-12	受信タイミング検出方法および通信装置
WO2005099130A1 (fr)	2005-10-20	Procede et systeme d'estimation pour canal multi-utilisateur dans des systemes ds-cdma